[Bug 65922] [HSW bisected] i915 module resume time regression

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Wed Jun 19 02:40:34 PDT 2013


https://bugs.freedesktop.org/show_bug.cgi?id=65922

--- Comment #4 from Chris Wilson <chris at chris-wilson.co.uk> ---
During resume:

good -> [   24.789721] call 0000:00:02.0+ returned 0 after 253503 usecs
bad  -> [   31.337787] call 0000:00:02.0+ returned 0 after 38479 usecs

So switchless is indeed doing its job in speeding up resume. So I guess we need
to look at what happens after the kernel finishes its resume. How are you
measuring the resume time?

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